SSL/TLS Certificate Lookup

Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted

SSL/TLS Certificate for protc.cz

Valid
Issued by (CA)
Sectigo Limited
Subject
www.projektuj-tepelna-cerpadla.cz
Valid from
May 4, 2026
Valid until
Nov 18, 2026 (120 days remaining)
Public key
RSA 2048-bit
Serial
CE1A8EBD5A4EC5E2ED18EED30917403A
SHA-256 fingerprint
A8:10:2D:8A:43:14:13:85:E1:0A:9D:83:0D:64:98:43:FF:C2:9B:19:94:75:55:9F:E3:58:E5:6D:C0:7A:93:E3
Chain
Sectigo Public Server Authentication CA DV R36 → Sectigo Public Server Authentication Root R46 → USERTrust RSA Certification Authority
Subject Alternative Names (4)
projektuj-tepelna-cerpadla.cz, protc.cz, www.projektuj-tepelna-cerpadla.cz, www.protc.cz

Certificate Authority Authorization (CAA)

No CAA policy is published for this domain — any certificate authority may issue for it.